Tenet Healthcare Corporation (NYSE: THC) today confirmed that it has
received a revised proposal from Community Health Systems, Inc. (NYSE:
CYH) to acquire all of the outstanding shares of Tenet for $7.25 per
share in cash.

Consistent with its fiduciary duties and in consultation with its
independent financial and legal advisors, Tenet’s Board of Directors
will review the revised proposal to determine the course of action that
it believes is in the best interests of the Company and its
shareholders. Tenet’s shareholders are advised to take no action at this
time pending the review of the revised proposal by the Tenet Board of
Directors.

The Company noted that on November 12, 2010, Tenet received a proposal
from Community Health to acquire Tenet for $6.00 per share in cash and
stock. On April 18, 2011, Tenet received a proposal from Community
Health to acquire Tenet for $6.00 per share in cash. In each instance,
the Tenet Board of Directors, after consultation with its financial and
legal advisors, unanimously determined that the Community Health
proposals grossly undervalued Tenet and failed to reflect Tenet’s
prospects for continued growth and shareholder value creation and were
not in the best interests of Tenet or its shareholders.

Tenet Healthcare Corporation is a health care services company whose
subsidiaries and affiliates own and operate acute care hospitals,
ambulatory surgery centers and diagnostic imaging centers. Tenet’s
hospitals and related healthcare facilities are committed to providing
high quality care to patients in the communities they serve. For more
information, please visit www.tenethealth.com.

ADDITIONAL INFORMATION

Tenet Healthcare Corporation ("Tenet") will file with the Securities and
Exchange Commission ("SEC") a proxy statement in connection with its
2011 annual meeting of stockholders. Any definitive proxy statement will
be mailed to stockholders of Tenet. INVESTORS AND SECURITYHOLDERS OF
TENET ARE URGED TO READ THESE AND OTHER DOCUMENTS FILED WITH THE SEC
CAREFULLY IN THEIR ENTIRETY WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL
CONTAIN IMPORTANT INFORMATION. Investors and securityholders will be
able to obtain free copies of these documents (when available) and other
documents filed with the SEC by Tenet through the website maintained by
the SEC at http://www.sec.gov.

CERTAIN INFORMATION REGARDING PARTICIPANTS

Tenet and certain of its respective directors and executive officers are
deemed to be participants under the rules of the SEC. Information
regarding these participants is contained in a filing under Rule 14a-12
filed by Tenet with the SEC on January 7, 2011. This filing and other
documents can be obtained free of charge from the sources indicated
above. Additional information regarding the interests of these
participants in any proxy solicitation and a description of their direct
and indirect interests, by security holdings or otherwise, will also be
included in any proxy statement and other relevant materials to be filed
with the SEC if and when they become available.

Forward-Looking Statements

Some of the statements in this release may constitute forward-looking
statements. Such forward-looking statements are based on our current
expectations and could be affected by numerous factors and are subject
to various risks and uncertainties discussed in our filings with the
Securities and Exchange Commission, including our annual report on Form
10-K for the year ended Dec. 31, 2009, our quarterly reports on Form
10-Q, and periodic reports on Form 8-K. Do not rely on any
forward-looking statement, as we cannot predict or control many of the
factors that ultimately may affect our ability to achieve the results
estimated. We make no promise to update any forward-looking statement,
whether as a result of changes in underlying factors, new information,
future events or otherwise.

Tenet uses its company web site to provide important information to
investors about the company including the posting of important
announcements regarding financial performance and corporate developments.